# Hawaii CDL Knowledge Test Prep vs CDL DMV Written Test

The clearest difference is in-app purchases: CDL DMV Written Test at none against Hawaii CDL Knowledge Test Prep's 3. CDL DMV Written Test also leads on ratings volume (1.5K vs 9) and update cadence (monthly vs every 5 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. Hawaii CDL Knowledge Test Prep sells 3 in-app purchases, starting at $2.99 per 7 days. CDL DMV Written Test asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Hawaii CDL Knowledge Test Prep against 4.9 for CDL DMV Written Test. That said, the two scores are not equally well evidenced: CDL DMV Written Test has 1.5K ratings behind it against 9, so its average is the more settled of the two.

Hawaii CDL Knowledge Test Prep ships an update every 5 months, CDL DMV Written Test monthly. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hawaii CDL Knowledge Test Prep | CDL DMV Written Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/hawaii-cdl-knowledge-test-prep/id1604733925/reviews)** | [4.9 (1.5K ratings)](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914/reviews) |
| Number of ratings | 9 | **1.5K** |
| Positive reviews | — | 68.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 33 MB | 83 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nilu Rathod](https://appshunter.io/developer/1589204601) | [Infinity Loop Capital LLc](https://appshunter.io/developer/1480211134) |

## What reviewers say

### Hawaii CDL Knowledge Test Prep

[App page](https://appshunter.io/ios/app/hawaii-cdl-knowledge-test-prep/id1604733925)

Prepare for your Hawaii CDL permit test with practice questions based on the official state manual. Track your progress, bookmark difficult questions, and get performance-based improvement suggestions. Covers all essential CDL test categories for a successful first attempt.

**Highlights:** Practice tests based on official manual, Bookmark questions for later review, Track progress and view history, Performance-based improvement suggestions, Covers all CDL test categories, Intuitive and clutter-free UI

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $2.99 | per 7 days |
| Monthly Premium Access | $7.99 | per month |
| Lifetime Premium Access | $12.99 | one-time |


### CDL DMV Written Test

[App page](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914)

Prepare for your Commercial Driver's License (CDL) written test with comprehensive practice exams covering all 50 states. Master general knowledge, air brakes, and various endorsements with targeted study materials designed for efficient learning and a high success rate.

**Highlights:** State-specific practice exams, Class A & B general knowledge, Endorsement preparation (Hazmat, Bus, etc.), Updated 2026 test content, Unlimited free practice tests, No registration required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Useful study tool
- 👍 Helpful for exams

**What reviewers complain about**

- 🐛 Inaccurate questions
- 💰 Annoying ads
- 🔍 Inability to review wrong answers

**Reported bugs**

- Unreliable for exam preparation
- Incompatible with real exam questions

**Requested features**

- Option to remove ads
- Ability to review incorrect answers


## Frequently asked questions

### Is Hawaii CDL Knowledge Test Prep free?

Hawaii CDL Knowledge Test Prep is free to download, with in-app purchases available.

### Is CDL DMV Written Test free?

CDL DMV Written Test is free to download, with no in-app purchases.

### Which has better reviews, Hawaii CDL Knowledge Test Prep or CDL DMV Written Test?

Hawaii CDL Knowledge Test Prep is rated higher. Hawaii CDL Knowledge Test Prep averages 5.0 out of 5 from 9 ratings, while CDL DMV Written Test averages 4.9 from 1.5K ratings.

### Do Hawaii CDL Knowledge Test Prep or CDL DMV Written Test have ads?

Both Hawaii CDL Knowledge Test Prep and CDL DMV Written Test show ads.

### Which is updated more often, Hawaii CDL Knowledge Test Prep or CDL DMV Written Test?

Hawaii CDL Knowledge Test Prep ships an update every 5 months, and CDL DMV Written Test monthly. Most recently, Hawaii CDL Knowledge Test Prep was updated on October 14, 2026 and CDL DMV Written Test on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*